<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>身体质量指数测试</h1>
<form action="/bmi">
    <input type="text" name="height" placeholder="请输入身高(米)">
    <input type="text" name="weight" placeholder="请输入体重(公斤)">
    <input type="submit" value="测试">
</form>
</body>
</html>